Nano Banana 2.1 lands with 4K output and better text, put through a torture test

mark_k · x · 2026-10-07

Google's Nano Banana 2.1 image model is out, promising higher image quality, more accurate text rendering, and better consistency across repeated edits at the same speed and cost as v2. New capabilities include up-to-4K output, multiple reference images, and Google Search grounding. markk ran a deliberately brutal test scene packed with people, objects, readable text, tricky lighting and reflections — zoom in to judge the small stuff.

Related event: Google launches Nano Banana 2.1 with 4K output at lower prices(20 posts)→

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